Gallocyanine
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Gallocyanine
structure -
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CAS No:
1562-85-2
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Formula:
C15H13N2O5.Cl
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Chemical Name:
Gallocyanine
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Synonyms:
Phenoxazin-5-ium,1-carboxy-7-(dimethylamino)-3,4-dihydroxy-,chloride (1:1);Gallocyanine;C.I. Mordant Blue 10;Phenoxazin-5-ium,1-carboxy-7-(dimethylamino)-3,4-dihydroxy-,chloride;C.I. 51030;Alizarine Navy Blue AT;Anthracene Blue SWGG;Brilliant Chrome Blue P;Gallocyanine BS;Gallocyanine DH;Fast violet;Gallocyanin;Alizarine Navy Blue;1-Carboxy-7-(dimethylamino)-3,4-dihydroxyphenoxazin-5-ium chloride;410097-52-8
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CAS No:
Description
black powder
Gallocyanin is an organic chloride salt composed of 1-carboxy-7-(dimethylamino)-3,4-dihydroxyphenoxazin-5-ium and chloride ions in a 1:1 ratio. A histological dye used in solution with an iron alum mordant as a hematoxylin substitute in the H&E stain. It has a role as a fluorochrome and a histological dye. It contains a gallocyanin(1+).
Characteristics
101
-0.55850
Very dark green to black Fine Crystalline Powder
1.3979 (rough estimate)
497ºC at 760 mmHg
254.4ºC
1.6500 (estimate)
Soluble in water (10 mg/ml), 100% ethanol (10 mg/ml), alcohol, 1N NH4OH (10 mg/ml), and DMSO (25 mg/ml).
Safety Information
NONH for all modes of transport
3
22
36/37
SP7692000
Xn
Stable. Incompatible with strong oxidizing agents.
P264, P270, P301+P312, P330, P501
H302
|Warning|H302 (90.7%): Harmful if swallowed [Warning Acute toxicity, oral]|P264, P270, P301+P312, P330, and P501|Aggregated GHS information provided by 43 companies from 3 notifications to the ECHA C&L Inventory.
Drug Information
Chemicals and substances that impart color including soluble dyes and insoluble pigments. They are used in INKS; PAINTS; and as INDICATORS AND REAGENTS. (See all compounds classified as Coloring Agents.)
anthracene blue SWGG
Gallocyanine Use and Manufacturing
75 g of gallic acid, 35 g of p-nitrosodimethylaniline hydrochloric acid and 850 g of methanol were mixed. Boiling at reflux, and adding 85g of p-nitroso-xylidine hydrochloride in batches over 4h, continuing to boil until the reaction droplets produce dark purple spots with no yellow edges on the filter paper, then distill off the methanol to remove the product and The water is boiled together and filtered to get a blue and white.
As a dye; in alkali carbonate solution as a reagent for lead with which it forms a deep violet color.
Computed Properties
Molecular Weight:336.72
Hydrogen Bond Donor Count:3
Hydrogen Bond Acceptor Count:7
Rotatable Bond Count:2
Exact Mass:336.0512992
Monoisotopic Mass:336.0512992
Topological Polar Surface Area:101
Heavy Atom Count:23
Complexity:632
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes
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